/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.client.impl.client.txn;
import com.atomikos.icatch.jta.UserTransactionManager;
import com.hazelcast.client.HazelcastClient;
import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.core.TransactionalMap;
import com.hazelcast.test.HazelcastSerialClassRunner;
import com.hazelcast.test.annotation.SlowTest;
import com.hazelcast.transaction.TransactionContext;
import com.hazelcast.transaction.TransactionOptions;
import org.junit.After;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import javax.transaction.SystemException;
import javax.transaction.Transaction;
import javax.transaction.xa.XAResource;
import javax.transaction.xa.Xid;
import java.io.File;
import java.io.FilenameFilter;
import java.util.Random;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import static com.hazelcast.test.HazelcastTestSupport.assertOpenEventually;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
@RunWith(HazelcastSerialClassRunner.class)
@Category(SlowTest.class)
@Ignore
public class ClientXaTest {
static final Random random = new Random(System.currentTimeMillis());
UserTransactionManager tm = null;
public void cleanAtomikosLogs() {
try {
File currentDir = new File(".");
final File[] tmLogs = currentDir.listFiles(new FilenameFilter() {
public boolean accept(File dir, String name) {
if (name.endsWith(".epoch") || name.startsWith("tmlog")) {
return true;
}
return false;
}
});
for (File tmLog : tmLogs) {
tmLog.delete();
}
} catch (Exception e) {
e.printStackTrace();
}
}
@Before
public void init() throws SystemException {
cleanAtomikosLogs();
tm = new UserTransactionManager();
tm.setTransactionTimeout(60);
HazelcastClient.shutdownAll();
Hazelcast.shutdownAll();
}
@After
public void cleanup() {
tm.close();
cleanAtomikosLogs();
HazelcastClient.shutdownAll();
Hazelcast.shutdownAll();
}
@Test
public void testRollbackAfterNodeShutdown() throws Exception {
final HazelcastInstance instance = Hazelcast.newHazelcastInstance();
final HazelcastInstance client = HazelcastClient.newHazelcastClient();
tm.begin();
final TransactionContext context = client.newTransactionContext();
final XAResource xaResource = context.getXaResource();
final Transaction transaction = tm.getTransaction();
transaction.enlistResource(xaResource);
boolean error = false;
try {
final TransactionalMap m = context.getMap("m");
m.put("key", "value");
throw new RuntimeException("Exception for rolling back");
} catch (Exception e) {
error = true;
} finally {
close(error, xaResource);
}
assertNull(client.getMap("m").get("key"));
}
@Test
public void testRecovery() throws Exception {
final HazelcastInstance instance1 = Hazelcast.newHazelcastInstance();
final HazelcastInstance instance2 = Hazelcast.newHazelcastInstance();
final HazelcastInstance instance3 = Hazelcast.newHazelcastInstance();
final HazelcastInstance client1 = HazelcastClient.newHazelcastClient();
final TransactionContext context1 = client1.newTransactionContext(TransactionOptions.getDefault().setDurability(2));
final XAResource xaResource1 = context1.getXaResource();
final MyXid myXid = new MyXid();
xaResource1.start(myXid, 0);
final TransactionalMap<Object, Object> map = context1.getMap("map");
map.put("key", "value");
xaResource1.prepare(myXid);
client1.shutdown();
assertNull(instance1.getMap("map").get("key"));
final HazelcastInstance client2 = HazelcastClient.newHazelcastClient();
final TransactionContext context2 = client2.newTransactionContext();
final XAResource xaResource2 = context2.getXaResource();
final Xid[] recover = xaResource2.recover(0);
for (Xid xid : recover) {
xaResource2.commit(xid, false);
}
assertEquals("value", instance1.getMap("map").get("key"));
try {
context1.rollbackTransaction(); //for setting ThreadLocal of unfinished transaction
} catch (Throwable ignored) {
}
}
@Test
public void testIsSame() throws Exception {
HazelcastInstance instance1 = Hazelcast.newHazelcastInstance();
HazelcastInstance instance2 = Hazelcast.newHazelcastInstance();
final XAResource resource1 = instance1.newTransactionContext().getXaResource();
final XAResource resource2 = instance2.newTransactionContext().getXaResource();
HazelcastInstance client = HazelcastClient.newHazelcastClient();
final XAResource clientResource = client.newTransactionContext().getXaResource();
assertTrue(clientResource.isSameRM(resource1));
assertTrue(clientResource.isSameRM(resource2));
}
@Test
public void testTimeoutSetting() throws Exception {
HazelcastInstance instance = Hazelcast.newHazelcastInstance();
final XAResource resource = instance.newTransactionContext().getXaResource();
final int timeout = 100;
final boolean result = resource.setTransactionTimeout(timeout);
assertTrue(result);
assertEquals(timeout, resource.getTransactionTimeout());
final MyXid myXid = new MyXid();
resource.start(myXid,0);
assertFalse(resource.setTransactionTimeout(120));
assertEquals(timeout, resource.getTransactionTimeout());
resource.commit(myXid,true);
}
public static class MyXid implements Xid {
public int getFormatId() {
return 42;
}
@Override
public byte[] getGlobalTransactionId() {
return "GlobalTransactionId".getBytes();
}
@Override
public byte[] getBranchQualifier() {
return "BranchQualifier".getBytes();
}
}
@Test
public void testParallel() throws Exception {
final HazelcastInstance instance = Hazelcast.newHazelcastInstance();
final HazelcastInstance client = HazelcastClient.newHazelcastClient();
final int size = 20;
ExecutorService executorService = Executors.newFixedThreadPool(5);
final CountDownLatch latch = new CountDownLatch(size);
for (int i = 0; i < size; i++) {
executorService.execute(new Runnable() {
public void run() {
try {
txn(client);
} catch (Exception e) {
e.printStackTrace();
} finally {
latch.countDown();
}
}
});
}
assertOpenEventually(latch, 20);
final IMap m = client.getMap("m");
for (int i = 0; i < 10; i++) {
assertFalse(m.isLocked(i));
}
}
@Test
public void testSequential() throws Exception {
final HazelcastInstance instance = Hazelcast.newHazelcastInstance();
final HazelcastInstance client = HazelcastClient.newHazelcastClient();
txn(client);
txn(client);
txn(client);
}
private void txn(HazelcastInstance instance) throws Exception {
tm.begin();
final TransactionContext context = instance.newTransactionContext();
final XAResource xaResource = context.getXaResource();
final Transaction transaction = tm.getTransaction();
transaction.enlistResource(xaResource);
boolean error = false;
try {
final TransactionalMap m = context.getMap("m");
m.put(random.nextInt(10), "value");
} catch (Exception e) {
e.printStackTrace();
error = true;
} finally {
close(error, xaResource);
}
}
private void close(boolean error, XAResource... xaResource) throws Exception {
int flag = XAResource.TMSUCCESS;
// get the current tx
Transaction tx = tm.getTransaction();
// closeConnection
if (error)
flag = XAResource.TMFAIL;
for (XAResource resource : xaResource) {
tx.delistResource(resource, flag);
}
if (error)
tm.rollback();
else
tm.commit();
}
}